Lenovo E420 Laptop User Manual


 
Disposing of a Lenovo computer components
Some Lenovo computer products sold in Japan may have components that contain heavy metals or other
environmental sensitive substances. To properly dispose of disused components, such as a printed circuit
board or drive, use the methods described above for collecting and recycling a disused computer or monitor.
Disposing of disused lithium batteries from Lenovo computers
A button-shaped lithium battery is installed on the system board of your Lenovo computer to provide power
to the computer clock while the computer is off or disconnected from the main power source. If you want to
replace it with a new one, contact your place of purchase or ask for a repair service provided by Lenovo. If
you have replaced it by yourself and want to dispose of the disused lithium battery, insulate it with vinyl tape,
contact your place of purchase, and follow their instructions. If you use a Lenovo computer at home and
need to dispose of a lithium battery, you must comply with local ordinances and regulations.
Disposing a disused battery pack from Lenovo notebook computers
Your Lenovo notebook computer has a lithium ion battery pack or a nickel metal hydride battery pack. If you
are a company employee who uses a Lenovo notebook computer and need to dispose of a battery pack,
contact the proper person in Lenovo sales, service, or marketing, and follow that person's instructions. You
also can refer to the instructions at: www.ibm.com/jp/pc/environment/recycle/battery/. If you use a Lenovo
notebook computer at home and need to dispose of a battery pack, you must comply with local ordinances
and regulations. You also can refer to the instructions at: www.ibm.com/jp/pc/environment/recycle/battery/.
172 User Guide